Home / 302,551,853.40-453,827,780.10-259,505,132.40

Finding the Fourth Proportional to 302,551,853.40, 453,827,780.10 and 259,505,132.40

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Solution

The fourth proportional to 302,551,853.40, 453,827,780.10 and 259,505,132.40 is: 389,257,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,551,853.40 : 453,827,780.10 = 259,505,132.40 : x
  2. Step 2: Convert to fraction form
    302,551,853.40/453,827,780.10 = 259,505,132.40/x
  3. Step 3: Cross multiply
    302,551,853.40x = 453,827,780.10 × 259,505,132.40
  4. Step 4: Simplify right side
    302,551,853.40x = 117,770,638,161,648,592
  5. Step 5: Solve for x
    x = 117,770,638,161,648,592/302,551,853.40
  6. Step 6: Final answer
    x = 389,257,698.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.